So people could read the bible and protect themselves from sin
From what I know of the book, it was a critical success but did not resonate with the public the way Sinclair wanted it to. The government took notice and tried to better regulate the meat industry. Working people, however, were not drawn to it the way had hoped.
Most of just the common average citizens. You see, after WW1, reparations were high in Germany. Inflation rose and people were getting desperate for food and work. When the great depression hit, it hit Germany the hardest. The average German person was driven towards Hitler and the nazi party as Hitler said the Germans were not to blame and that he would fix all of their problems.
To construct the Constitution along with the Bill of Rights.
He was the first black president.